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Excel based moody chart.

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dbecker

Mechanical
Dec 16, 2008
138
Hello,

I need to calculate friction factor for different reynolds numbers or relative roughness, does anyone have a moody chart that is in a spreadsheet that I may use as a look-up table?

Better yet, the correlations for each trend?

Thanks,

 
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Try looking up "Colebrook Equation".

The information you get will explain things better than I can.

-- MechEng2005
 
Thank you for this valuable help!

 
Churchill eliminates the iteration of Colebrook and works for laminar through turbulent flow.

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"Pumping accounts for 20% of the world’s energy used by electric motors and 25-50% of the total electrical energy usage in certain industrial facilities."-DOE statistic (Note: Make that 99% for pipeline companies)
 
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